How to mend ... Saunier Going Water

Noisy Saunier Duval Thelia 20 n No Hot Water / Heating but pilot ON?

My Boiler Want Fire Up though gas pilot light is on and can hear constant noise from the boiler of running Fan... [Read more]

No c/h working saunier duval f23e combi boiler?

hot water working fine but when turning the central heating on it fires up for a few seconds and then switches... [Read more]

I need thermocouple for an instant water heater?

I need a thermocouple for a saunier duval instant water heater

no display on control panel saunier duval f35e ?

display on f35e not working ,power to boiler and fuse on pcb is ok, There is no hot water

Saunier Duval F23e radiators get hot when using domestic hot water only?

I have a Saunier Duval F23e boiler. Few months back the radiators were getting hot when we were only using dom... [Read more]

I have a saunier duval thelia 23e combi boiler?

The heating is not working & when I run the hot water the burner comes on then turns off after 15 secs and kee... [Read more]

how do I increase water pressure ?

I cant turn any of the valves wh8ch ones should I be turning the book says B then a but I cant turn them Its ... [Read more]

I have a saunier duval isofast f 28e ?

The boiler works fine but when you call for hot water when the heating is on it will supply hot water but sto... [Read more]

saunier duval e30?

im getting heating from radiators but no hot water.boiler starts to heat water for a few seconds then water go... [Read more]

Saunier Duval F35E Isofast ?

Our boiler (usally on hot water only) makes a noise like a motor bike (pop pop pop pop pop pop) that vibrates ... [Read more]

saunier duval therma condens f 30 e boiler?

I had the boiler fitted in 2007 with no problems until recently. We have no hot water unless the heating is tu... [Read more]

Saunier duval F23E?

I have saunier duval f23e boiler and when the heating is off , the radiarors get hot when we use hot water.

no hot water or centeral heating saunier duval semia condens f24?

what is the fault the number 12 comes up on front of boiler display

Saunier Duval F28 E2 problem?

Hi I have a Saunier Duval Isomax F28 E2 boiler which contains a water tank that holds approx 45 litres of ... [Read more]

Need specs?

I just got an older SD 41 Saunier tankless heater (new still in box) Is it worth installing? How big of a hou... [Read more]

saunier duval f23e boiler?

Can anyone help me to sort out the problem of f23e boiler , the pressure needle goes to mark 4 in the red and ... [Read more]

error code ff05 with isofast f35?

I have the Saunier Duval Isofast f35 e1 boiler . While trying to have hot water for the first time this winter... [Read more]

Saunier Duval F30E hot water no heating?

As above, in water/heat mode there is no heating! Hot water works fine. Had heat exchanger replaced earlier th... [Read more]

No Hot water on a Saunier Duval Semia F30E?

Hi, having trouble with my boiler, when you turn on the hot tap the boiler fires up but the temperature wont g... [Read more]

F23e saunier duval boiler?

I HAVE F23E MODEL boiler and when the heating is on the water pressure indicator needle goes to 4 in the red m... [Read more]